Climate Change, In Song!

daniel_crawford_4858Climate Change is a daunting phenomena, a severe problem that is threatening our planet but which remains inaccessible and invisible for many people. Part of the problem is condensing all the facts, figures and studies into a coherent, easy-to-understand form that people can see and understand. Not the easiest thing to do, and even the famous hockey-stick shaped graphs appear to be falling short.

Luckily, artists like cellist Daniel Crawford are stepping in to fill the role of scientific interpreter. Committing the most alarming portion of that hockey stick to music, he shows just how alarming this trend is. He calls it “A Song of Our Warming Planet”, where notes are matched to temperatures, one for each year since 1880.

keeling_curveAs the average global temperature increases by 0.8 Celsius (1.4 Fahrenheit) and atmospheric carbon dioxide levels increase by more than 40%, the song climbs from the low, open C to the high end of its register, sounding, in one commenter’s estimation, “like a woman screaming.” And the video ends with the chilling text:

Scientists predict the planet will warm by another 1.8 degrees Celsius (3.2 degrees Fahrenheit) by the end of this century. This additional warming would produce a series of notes beyond the range of human hearing.

Scary stuff. Check out the video below, and then be sure to look around this site for some of the more positive news on the issue. I don’t like sending people away gloomy!


Sources:
fastcoexist.com, vimeo.com

Climate Crisis: Coming Trends in CO2

Pollution over Mexico CityGood news everybody! Okay, not exactly good, but it is news, and on a rather important subject. Recently, the National Oceanic and Atmospheric Administration (NOAA) announced that the Manua Loa observatory in Hawaii had recorded atmospheric levels of carbon dioxide which exceeded 400 parts per million. This represented a major milestone, one which climatological researchers and scientists have feared for some time.

However, they have since amended that statement, saying that the readings were a fraction of a point lower at 399.89 ppm. Not exactly a reason to celebrate, and not that surprising either, since individual readings at any of NOAA’s observation stations are subject to revision on a regular basis. And regardless of whether or not the 400 ppm milestone has been passed, scientists are still adamant that this reading is cause for concern.

keeling_curveAs has been stated repeatedly, when it comes to the buildup of human created greenhouse gases, it is the rate of increase which is most important. That rate, which is measured by the Keeling Curve, shows that atmospheric CO2 levels are rising at unprecedented rates, driven largely by the burning of fossil fuels over the past two centuries.

Originally pioneered by scientist Charles D. Keeling in 1958 , this curve is the longest-running tally of carbon dioxide levels in the atmosphere and is maintained by the Scripps Institution of Oceanography in San Diego. The saw-tooth pattern of the incline reflects small seasonal variations within the long-term upward trend, which peak annually around the month of May.

Combining this studies conducted on glacial melting patterns, pollination patterns, geological and oceanographic surveys, a long-term picture emerges. For the past 800,000 years, CO2 levels have never exceeded 300 ppm, and there is no known geologic period in which rates increased as sharply as they are now. That level was at about 280 ppm at the advent of the Industrial Revolution in the 18th century, the period when the burning of fossil fuels began to soar.

trafficScripps geochemist Ralph Keeling, who has taken over the Keeling curve measurement from his late father, had this to say about the news:

I wish it weren’t true, but it looks like the world is going to blow through the 400-ppm level without losing a beat. At this pace we’ll hit 450 ppm within a few decades.

Tim Lueker, an oceanographer and carbon cycle researcher who is a longtime member of the Scripps CO2 Group, also weighed in on the significance of these latest readings:

The 400-ppm threshold is a sobering milestone and should serve as a wake-up call for all of us to support clean-energy technology and reduce emissions of greenhouse gases before it’s too late for our children and grandchildren.

What’s especially frightening about a rating of 400 ppm is the fact that planet Earth has not experienced that kind of CO2 concentration for over 3 million years, during the Pliocene Era. At that time, sea levels were between 60 and 80 feet higher than their current levels. If sea levels rise by this much in the coming decades, roughly 1 billion of the Earths inhabitants will be left homeless.

climate_changetideAdd to this the widespread droughts, wildfires and flooding taking place in inland communities, where unpredictable weather will cause rivers to overflow erode river banks and turn millions more into refugees. And as crops fail due to increased heat and depleted topsoil, the ability to feed the world’s population will also begin to plummet.

Of course, these are the most dire predictions and are often used to remind us just how important it is to clean up our act before its too late. Researching and developing cleaner methods is one approach, as is finding ways to capture the carbon emissions we are generating on a daily basis. But in the end, the greatest weapon in our arsenal is and always will be public awareness.

Consider yourselves informed. Now go spread the word!

In the meantime, enjoy this animated “Carbon Tracker” graph that shows us the time history of atmospheric carbon dioxide – courtesy of the National Oceanic & Atmospheric Administration.


Source:
articles.latimes.com
, esrl.noaa.gov, keelingcurve.ucsd.edu